IBRS20266437
Maximum Single-Digit Mental Arithmetic Addition and Subtraction Problems (4 Rows) Solved in 1 Hour by an Individual (Minor-Male)
Visshnuskanda Boggaram Abishek
Human Feats
28-Mar-2026
The Maximum Single-Digit Mental Arithmetic Addition and Subtraction Problems (4 Rows) Solved in 1 Hour by an Individual (Minor-Male) counted to 999. It was accomplished by Visshnuskanda Boggaram Abishek in Bengaluru District, Karnataka, India on March 28, 2026.